| Acronym | Meaning |
| MFPL | Message Format Processing Language |
| SPHR | Sphere |
| RC | Recoverability Code |
| CHMS | Copilot Helmet Sight System |
| LCCPT | Low-cost Cockpit Procedures Trainer (helo Trainer) |
| YC | Open Lighter (non Self-propelled) |
| MAC | Military Airlift Command |
| PTR | Problem Trouble Report |
| CPD | Consolidated Procurement Directive (ntec-3930/27) |
| CONTGY | Contingency |